Observation assisting forceps
US4909789A · kind A · utility
1,267Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 1987 |
| Grant date | Mar 20, 1990 |
| Priority date | — |
| Expiry date | Mar 24, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/303
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Observation assisting forceps wherein a shaft member is retractably inserted through a hollow sheath, a plurality of linear members given a characteristic of expanding on the tip sides are provided at the front end of this shaft member and spherical parts are provided at the tips of the respective linear members so that the linear members may be projected on the tip sides out of the sheath tip to move aside any organ or the like obstructing the observation with an endoscope.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.